A Palestinian protester holds a tear gas canister fired by Israeli troops in his mouth during clashes on the Gaza-Israel border, east of al-Bureij refugee camp in central Gaza, on April 12, 2019. The Israeli army shot dead a Palestinian boy on Friday and wounded dozens during clashes with hundreds of Palestinian demonstrators in eastern Gaza Strip, close to the border with Israeli, according to medics. (Xinhua/Yasser Qudih)